Patents by Inventor Yuuki Takahashi

Yuuki Takahashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11365335
    Abstract: An object of the present invention is to provide a mixed refrigerant having three types of performance; i.e., a refrigerating capacity (also referred to as cooling capacity) and a coefficient of performance (COP) that are equivalent to those of R410A, and a sufficiently low GWP. Provided as a means for achieving the object is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: June 21, 2022
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Mitsushi Itano, Daisuke Karube, Yuuki Yotsumoto, Kazuhiro Takahashi, Shun Ohkubo
  • Patent number: 11352535
    Abstract: The present disclosure provides a composition comprising a refrigerant characterized by having a low GWP, low flammability, a COP equivalent to that of R410A, and a refrigerating capacity almost equivalent to that of R410A. Specifically, the present disclosure provides a composition comprising a refrigerant, the refrigerant comprising CO2 (R744), hexafluoropropene (FO-1216), and at least one compound A selected from the group consisting of trifluoroethylene (HFO-1123), trans-1,2-difluoroethylene [(E)-HFO-1132], cis-1,2-difluoroethylene [(Z)-HFO-1132], fluoroethylene (HFO-1141), and 3,3,3-trifluoropropyne (TFP).
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: June 7, 2022
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Mitsushi Itano, Kazuhiro Takahashi, Yuuki Yotsumoto, Akihito Mizuno
  • Publication number: 20220157796
    Abstract: A composite integrated film includes a base member thin film having a base member first surface and a base member second surface facing each other, one or more penetration parts penetrating the base member first surface and the base member second surface of the base member thin film, one or more electrodes each including an electrical path part formed between the base member first surface and the base member second surface via the penetration part and an electrode surface in a planar shape formed on the base member second surface's side, and one or more elements provided on the base member first surface of the base member thin film and electrically connected to the electrodes, wherein the electrode surface and the base member second surface form a same flat surface.
    Type: Application
    Filed: October 18, 2021
    Publication date: May 19, 2022
    Applicant: Oki Electric Industry Co., Ltd.
    Inventors: Takuma ISHIKAWA, Takahito SUZUKI, Kenichi TANIGAWA, Hironori FURUTA, Toru KOSAKA, Yusuke NAKAI, Shinya JYUMONJI, Genichiro MATSUO, Chihiro TAKAHASHI, Hiroto KAWADA, Yuuki SHINOHARA
  • Publication number: 20220149919
    Abstract: A terminal includes a control unit that determines a spatial reception parameter of a control channel based on Quasi-co-location (QCL) information on a synchronization signal or a reference signal; and a receiving unit that receives the control channel based on the determined spatial reception parameter, wherein, when Beam Failure Recovery (BFR) is performed by applying a contention-based random access procedure, the control unit assumes a QCL parameter associated with a Synchronization Signal Block (SSB) detected in the contention-based random access procedure to select a random access preamble, as a QCL parameter for monitoring a downlink control channel in a search space.
    Type: Application
    Filed: January 22, 2020
    Publication date: May 12, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Kazuki Takeda, Yuuki Matsumura
  • Patent number: 11328442
    Abstract: The object detection system includes a TOF sensor which outputs an image of a target space on the basis of a phase difference between reference light emitted toward the target space and reflected light from the target space, an object detection section which detects a position of an object present in the target space on the basis of the output image, an imaging conditions calculation section which calculates imaging conditions including at least one of an integration time and a light emission period of the TOF sensor on the basis of an image of the detected object, and an imaging conditions changing section which changes a configuration of the TOF sensor to the calculated imaging conditions, and the object detection section detects a position of the object on the basis of the image output under the changed imaging conditions.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: May 10, 2022
    Assignee: FANUC CORPORATION
    Inventors: Minoru Nakamura, Yuuki Takahashi, Atsushi Watanabe
  • Patent number: 11321858
    Abstract: A distance image generation device includes a light projection unit for projecting reference light onto a subject, a light reception unit having a plurality of two-dimensionally arrayed pixels, an optical system for guiding light from the subject to the light reception unit, an influence calculation means for calculating, based on an amount of light received by a target pixel and peripheral pixels thereof among the plurality of pixels, an influence of optical phenomena on the target pixel and the peripheral pixels, an impact calculation means for calculating the impact exerted by the peripheral pixels on the target pixel based on the influence, and a distance image generation means for generating a distance image of the subject based on the impact.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: May 3, 2022
    Assignee: FANUC CORPORATION
    Inventors: Yuuki Takahashi, Atsushi Watanabe, Minoru Nakamura
  • Patent number: 11272172
    Abstract: An image processing apparatus for execution of image processing on an input image is provided. The image processing apparatus includes a memory, and a processor coupled to the memory and configured to replace a partial image of a predetermined region within the input image with a test image, retain the partial image, detect presence or absence of a failure of the image processing apparatus based on the test image that has been subjected to the image processing, and replace the test image that has been subjected to the image processing with the retained partial image, after detecting the presence or absence of the failure.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: March 8, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Atsushi Kawata, Yuuki Takahashi
  • Patent number: 11126859
    Abstract: Provided is a robot system including a robot, a distance image sensor that temporally continuously acquires, from above an operating space of the robot, distance image information around the operating space, and an image processing device that processes the acquired distance image information, the image processing device defining, around the operating space, a monitoring area that includes a boundary for enabling entrance into the operating space from the outside, including a storing unit that stores reference distance image information, and detecting, based on the distance image information acquired by the distance image sensor and the reference distance image information stored in the storing unit, whether a stationary object present in the monitoring area is blocking the boundary in a visual field of the distance image sensor.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: September 21, 2021
    Assignee: FANUC CORPORATION
    Inventors: Yuuki Takahashi, Atsushi Watanabe, Minoru Nakamura
  • Patent number: 11053903
    Abstract: An object of the present invention is to provide a high-pressure fuel supply pump having a structure capable of adjusting the moving speed of an anchor. Therefore, the high-pressure fuel supply pump of the present invention is provided with a protrusion that protrudes toward an anchor side on a fixed core facing surface of a fixed core. The protrusion is configured in such a manner that a minimum distance between the protrusion and an anchor facing surface is smaller than an axial gap dimension configured between the fixed core facing surface and the anchor facing surface in a direction along a central axis in a state where the anchor is stationary at the time of non-energization.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: July 6, 2021
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Yuitsu Kodama, Yuuki Takahashi, Yukihiro Yoshinari, Ryo Kusakabe
  • Publication number: 20210158562
    Abstract: The object detection system includes a TOF sensor which outputs an image of a target space on the basis of a phase difference between reference light emitted toward the target space and reflected light from the target space, an object detection section which detects a position of an object present in the target space on the basis of the output image, an imaging conditions calculation section which calculates imaging conditions including at least one of an integration time and a light emission period of the TOF sensor on the basis of an image of the detected object, and an imaging conditions changing section which changes a configuration of the TOF sensor to the calculated imaging conditions, and the object detection section detects a position of the object on the basis of the image output under the changed imaging conditions.
    Type: Application
    Filed: September 23, 2020
    Publication date: May 27, 2021
    Inventors: Minoru NAKAMURA, Yuuki TAKAHASHI, Atsushi WATANABE
  • Patent number: 10958202
    Abstract: A rotary electric machine is equipped with a stator and a rotor. The rotor has a d-axis magnetic circuit that is produced by a magnetomotive force of a field winding, and magnet magnetic circuits that are produced by a magnetic force of permanent magnets. The d-axis magnetic circuit and a q-axis magnetic circuit have at least a part thereof that is common to both. The permeance of the d-axis magnetic circuit is smaller than the permeance of the q-axis magnetic circuit, when a load is being applied to the rotor. A control apparatus of the rotary electric machine has a switching circuit that controls the field current in the field winding, and a control section that makes the switching frequency of the switching circuit become higher when the field current is above a threshold value than when the field current is less than or equal to the threshold value.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: March 23, 2021
    Assignee: DENSO CORPORATION
    Inventors: Makoto Taniguchi, Yuuki Takahashi
  • Patent number: 10910932
    Abstract: In a rotating electric machine, a rotor includes a field core, a field coil and permanent magnets. The field core has a boss portion and claw-shaped magnetic pole portions. Each of the permanent magnets is arranged between one circumferentially-adjacent pair of the claw-shaped magnetic pole portions. A d-axis magnetic circuit and a magnet magnetic circuit share a magnetic path in at least parts thereof. Along the d-axis magnetic circuit, magnetic flux generated by the magnetomotive force of the field coil flows through the boss portion, one pair of the claw-shaped magnetic pole portions and a stator core. Along the magnet magnetic circuit, magnetic flux generated by the magnetic force of a corresponding one of the permanent magnets flows. The relationship of Ast>Af is satisfied, where Ast is a magnetic path cross-sectional area of a stator and Af is a magnetic path cross-sectional area of the rotor.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: February 2, 2021
    Assignee: DENSO CORPORATION
    Inventor: Yuuki Takahashi
  • Publication number: 20200408916
    Abstract: A distance measurement device includes a light emission unit which is capable of emitting measurement light to be irradiated toward an object, a light reception unit configured to receive light from the object via an optical filter through which light having the same wavelength band as the measurement light passes, a distance calculation unit configured to calculate a distance to the object based on each charge amount obtained by accumulating a charge corresponding to the received light at a plurality of timings which are delayed by a predetermined phase with respect to emission timing of the measurement light, and an external light intensity calculation unit configured to calculate external light illuminance of external light illuminating the object at the spectral sensitivity of the optical filter based on the charge amounts acquired at the light reception unit and a reflectivity of the object.
    Type: Application
    Filed: June 23, 2020
    Publication date: December 31, 2020
    Inventors: Minoru NAKAMURA, Yuuki TAKAHASHI, Atsushi WATANABE
  • Publication number: 20200380707
    Abstract: A distance image generation device includes a light projection unit for projecting reference light onto a subject, a light reception unit having a plurality of two-dimensionally arrayed pixels, an optical system for guiding light from the subject to the light reception unit, an influence calculation means for calculating, based on an amount of light received by a target pixel and peripheral pixels thereof among the plurality of pixels, an influence of optical phenomena on the target pixel and the peripheral pixels, an impact calculation means for calculating the impact exerted by the peripheral pixels on the target pixel based on the influence, and a distance image generation means for generating a distance image of the subject based on the impact.
    Type: Application
    Filed: May 22, 2020
    Publication date: December 3, 2020
    Inventors: Yuuki TAKAHASHI, Atsushi WATANABE, Minoru NAKAMURA
  • Patent number: 10848041
    Abstract: A rotating electric machine includes a stator and a rotor. The rotor includes: a field core having at least one boss portion, a pair of disc portions and a plurality of claw-shaped magnetic pole portions; a field coil arranged between the at least one boss portion and the claw-shaped magnetic pole portions; a plurality of permanent magnets each of which is arranged between one circumferentially-adjacent pair of the claw-shaped magnetic pole portions; and a ring-shaped fixing member fixed to radially inner parts of the claw-shaped magnetic pole portions to support the claw-shaped magnetic pole portions from the radially inner side. Moreover, a d-axis magnetic circuit and a magnet magnetic circuit are at least partially coincident with each other to share a common circuit portion. When field current is supplied to the field coil, the permeance of the d-axis magnetic circuit is lower than the permeance of a q-axis magnetic circuit.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: November 24, 2020
    Assignee: DENSO CORPORATION
    Inventors: Makoto Taniguchi, Yuuki Takahashi
  • Patent number: 10840787
    Abstract: A rotating electric machine includes a stator and a rotor. The stator includes a stator core and an armature coil wound on the stator core. The rotor is arranged radially inside the stator to radially face the stator. The rotor includes: a field core having a plurality of magnetic pole portions for respectively forming a plurality of magnetic poles the polarities of which are alternately different in a circumferential direction; a field coil wound on the field core; and a tubular short-circuiting member that is arranged radially outside the magnetic pole portions to cover radially outer surfaces of the magnetic pole portions and magnetically connects each circumferentially-adjacent pair of the magnetic pole portions. Moreover, two axial end portions of the short-circuiting member protrude axially outward respectively from two axial ends of the stator core.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: November 17, 2020
    Assignee: DENSO CORPORATION
    Inventor: Yuuki Takahashi
  • Patent number: 10797543
    Abstract: A rotating electric machine includes a stator and a rotor. The stator includes a stator core and an armature coil wound on the stator core. The rotor is arranged radially inside the stator to radially face the stator. The rotor includes: a field core having a plurality of magnetic pole portions for respectively forming a plurality of magnetic poles the polarities of which are alternately different in a circumferential direction; a field coil wound on the field core; and a tubular short-circuiting member that is arranged radially outside the magnetic pole portions to cover radially outer surfaces of the magnetic pole portions and magnetically connects each circumferentially-adjacent pair of the magnetic pole portions. The short-circuiting member is provided within an axial range between two axial ends of the stator core.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: October 6, 2020
    Assignee: DENSO CORPORATION
    Inventor: Yuuki Takahashi
  • Patent number: 10759710
    Abstract: Disclosed is provision of a ceramic coat having an excellent low-particle generation as well as a method for assessing the low-particle generation of the ceramic coat. A composite structure including a substrate and a structure which is formed on the substrate and has a surface, wherein the structure includes a polycrystalline ceramic and the composite structure has luminance Sa satisfying a specific value calculated from a TEM image analysis thereof, can be suitably used as an inner member of a semiconductor manufacturing apparatus required to have a low-particle generation.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: September 1, 2020
    Assignee: Toto Ltd.
    Inventors: Junichi Iwasawa, Hiroaki Ashizawa, Takuma Wada, Ryoto Takizawa, Toshihiro Aoshima, Yuuki Takahashi, Atsushi Kinjo
  • Patent number: 10731616
    Abstract: A high-pressure fuel supply pump comprising a suction valve disposed on a suction side of a pressurizing chamber, an engagement member having a protrusion part that protrudes toward the outer periphery and biasing the suction valve by use of the force of a spring, a stator for generating a magnetic attraction force, and a plunger drawn by the magnetic attraction force and driving the engagement member toward the stator by engaging with the protrusion part, the fuel supply pump being configured so that the area of the fuel passage is smallest between the outer periphery of the protrusion part and the inner periphery of the plunger, and so that a tapered section whereby the area of the flow path increases from the portion where the area of the passage is smallest toward the pressurizing chamber or toward the suction valve side is formed.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: August 4, 2020
    Assignee: Hitachi Automotive Systems Ltd.
    Inventors: Yuitsu Kodama, Yukihiro Yoshinari, Kenichiro Tokuo, Yuuki Takahashi
  • Publication number: 20200213583
    Abstract: An image processing apparatus for execution of image processing on an input image is provided. The image processing apparatus includes a memory, and a processor coupled to the memory and configured to replace a partial image of a predetermined region within the input image with a test image, retain the partial image, detect presence or absence of a failure of the image processing apparatus based on the test image that has been subjected to the image processing, and replace the test image that has been subjected to the image processing with the retained partial image, after detecting the presence or absence of the failure.
    Type: Application
    Filed: December 19, 2019
    Publication date: July 2, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Atsushi KAWATA, Yuuki TAKAHASHI